[Edited to add: I'll update the post with correctly-guessed titles, and eventually reveal all answers]
The Matrix - Guessed by: huskyscotsman, jrw
Dawn of the Dead - Guessed by: miseri
Joe's Apartment - Guessed by: jotasbrane, coho29's fiancee, katre50
Clash of the Titans - Guessed by: huskyscotsman, jrw
Jason and the Argonauts - Guessed by: jotasbrane, huskyscotsman
As a reminder, this year's interactive fiction comp ends tomorrow at midnight EST, so get your votes in!